Chair seat



FIG. 1 is an upper perspective view of the chair seat showing my design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is back elevation view thereof;

FIG. 8 is an upper perspective view thereof showing a bottom leg attachment in brokein lines;

FIG. 9 is an upper perspective view thereof showing a bottom stand attachment in broken lines; and,

FIG. 10 is an upper perspective view thereof showing a top cushion attachment in broken lines.

Broken lines are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a chair seat, as shown and described. 